fix complex

base/complex.jl

@@ -941,7 +941,9 @@ atanh(z::Complex) = atanh(float(z))
 #Rounding complex numbers
 #Requires two different RoundingModes for the real and imaginary components
 """
- round(z, RoundingModeReal, RoundingModeImaginary)
+ round(z::Complex[, RoundingModeReal, [RoundingModeImaginary]])
+ round(z::Complex[, RoundingModeReal, [RoundingModeImaginary]]; digits=, base=10)
+ round(z::Complex[, RoundingModeReal, [RoundingModeImaginary]]; sigdigits=, base=10)
 
 Return the nearest integral value of the same type as the complex-valued `z` to `z`,
 breaking ties using the specified [`RoundingMode`](@ref)s. The first
@@ -954,16 +956,11 @@ julia> round(3.14 + 4.5im)
 3.0 + 4.0im
 ```
 """
-function round(z::Complex{<:AbstractFloat}, ::RoundingMode{MR}, ::RoundingMode{MI}) where {MR,MI}
- Complex(round(real(z), RoundingMode{MR}()),
- round(imag(z), RoundingMode{MI}()))
+function round(z::Complex, rr::RoundingMode=RoundNearest, ri::RoundingMode=rr; digits=nothing, sigdigits=nothing, base=10)
+ Complex(round(real(z), rr; digits=digits, sigdigits=sigdigits, base=base),
+ round(imag(z), ri; digits=digits, sigdigits=sigdigits, base=base))
 end
-round(z::Complex) = Complex(round(real(z)), round(imag(z)))
 
-function round(z::Complex, digits::Integer; base::Integer = 10)
- Complex(round(real(z), digits, base = base),
- round(imag(z), digits, base = base))
-end
 
 float(z::Complex{<:AbstractFloat}) = z
 float(z::Complex) = Complex(float(real(z)), float(imag(z)))

test/complex.jl

@@ -893,13 +893,13 @@ end
 end
 
 @testset "round and float, PR #8291" begin
- @test round(Complex(1.125, 0.875), 2) == Complex(1.12, 0.88)
+ @test round(Complex(1.125, 0.875), digits=2) == Complex(1.12, 0.88)
  @test round(Complex(1.5, 0.5), RoundDown, RoundUp) == Complex(1.0, 1.0)
  @test round.([1:5;] .+ im) == [1:5;] .+ im
  @test round.([1:5;] .+ 0.5im) == [1.0:5.0;]
 
  @test float(Complex(1, 2)) == Complex(1.0, 2.0)
- @test round(float(Complex(π, ℯ)),3) == Complex(3.142, 2.718)
+ @test round(float(Complex(π, ℯ)), digits=3) == Complex(3.142, 2.718)
 end
 
 @testset "ComplexF16 arithmetic, PR #10003" begin